Home / 26,836.86-40,193.98-12,806.74

Finding the Fourth Proportional to 26,836.86, 40,193.98 and 12,806.74

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Solution

The fourth proportional to 26,836.86, 40,193.98 and 12,806.74 is: 19,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,836.86 : 40,193.98 = 12,806.74 : x
  2. Step 2: Convert to fraction form
    26,836.86/40,193.98 = 12,806.74/x
  3. Step 3: Cross multiply
    26,836.86x = 40,193.98 × 12,806.74
  4. Step 4: Simplify right side
    26,836.86x = 514,753,851.43
  5. Step 5: Solve for x
    x = 514,753,851.43/26,836.86
  6. Step 6: Final answer
    x = 19,180.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.